Lung Cancer

Essay by juzamscutaHigh School, 10th gradeA+, March 2004

download word file, 4 pages 4.3

Lung cancer is the leading cancer killer in both men and women. An estimated 169,400 new cases of

lung cancer and an estimated 154,900 deaths from lung cancer will occur in the United States during 2004. The

rate of lung cancer cases appears to be dropping among white and African-American men in the United States,

while it continues to rise among both white and African-American women.

There are two major types of lung cancer, non-small cell lung cancer and small cell lung cancer. Non-

small cell lung cancer is much more commonly found in humans. It usually spreads to different parts of the

body more slowly than small cell lung cancer. Squamous cell carcinoma, adenocarcinoma, and large cell

carcinoma are three types of non-small cell lung cancer. Small cell lung cancer also called oat cell cancer,

accounts for about 20% of all lung cancer (LungUSA). Malignant tumors are cancer.

Cells in malignant tumors

are abnormal and divide without control or order. These cancer cells can invade and destroy the tissue around

them. Cancer cells can also break away from a malignant tumor and enter the bloodstream or lymphatic system

(the tissues and organs that produce, store, and carry white blood cells that fight infection and other diseases)

(medem). This process, called metastasis, is how cancer spreads from the original (primary) tumor to form new

(secondary) tumors in other parts of the body(medem). Lung Cancer usually doesn't have symptoms in the

earlier stages. As time proceeds Symptoms such as chronis cough, hoarseness, coughing up blood, weight loss

and loss of appetite, shortness of breath, chest pain, wheezing , and sometimes a fever without any

reason.These conditions are also symptomatic of many other lung problems, so a person who has any of these

symptoms should see a doctor to...